SSM集成

数据源配置文件（jdbc.properties）

jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql:///mybatis
jdbc.username=root
jdbc.password=123456

Spring配置文件（applicationContext.xml）

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
           xmlns:context="http://www.springframework.org/schema/context"
           xmlns:tx="http://www.springframework.org/schema/tx"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
                              http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
                              http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
">
    <!--1.jdbc-properties 2.dataSource 3.SqlSessionFactory 4.mapper映射器-->
    <!--扫描service层-->
    <context:component-scan base-package="cn.itsource.ssm.service"/>
    <!--引入jdbc.properties配置文件-->
    <context:property-placeholder location="classpath:jdbc.properties"/>
    <!--配置数据源，连接池-->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="${jdbc.driverClassName}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
    </bean>
    <!--配置SQLSessionFactory-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!--引入数据源-->
        <property name="dataSource" ref="dataSource"/>
        <!--为domain取别名-->
        <property name="typeAliasesPackage" value="cn.itsource.ssm.domain,cn.itsource.ssm.query"/>
        <!--找我们的映射文件-->
        <property name="mapperLocations" value="classpath:cn/itsource/ssm/mapper/*.xml"/>
    </bean>
    <!--配置注入映射器-->
    <!--一劳永益的方法-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="cn.itsource.ssm.mapper"/>
    </bean>
    <!--配置事务-->
    <bean id="dataSourceTransactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <!--注解支持-->
    <tx:annotation-driven/>
</beans>
springmvc配置文件（ApplicationContext-mvc.xml）

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="
       http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
       http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
">

    <!--扫描controller层-->
    <context:component-scan base-package="cn.itsource.ssm.web.controller"/>
    <!--静态资源放行-->
    <mvc:default-servlet-handler/>
    <!--支持注解-->
    <mvc:annotation-driven/>

    <!--配置视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/views/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>

WEB.xml配置文件

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">

    <!--核心控制器-->
    <servlet>
        <servlet-name>dispatchServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--读取SpringMVC的配置文件-->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:ApplicationContext-mvc.xml</param-value>
        </init-param>
        <!--Tomcat启动就启动-->
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatchServlet</servlet-name>
        <!--符合RESTful风格-->
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!--Spring监听器(读取核心文件)-->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:ApplicationContext.xml</param-value>
    </context-param>

    <!--POST请求的中文编码过滤器-->
    <!-- 字符集 过滤器  -->
    <filter>
        <filter-name>CharacterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
        <init-param>
            <param-name>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

项目结构图

注意在创建resources文件夹下面创建文件夹时不能用cn.itsource.ssm.mapper,要用cn/itsource/ssm/mapper

 

原文地址：https://www.cnblogs.com/8888-lhb/p/11393750.html